GC GLOBAL DIRECT
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6 in 1 Water Testing Meter - Ph Ppm Temp Tds Ec Cf
Features: Six-in-one Meter: EC, CF, ℃, ℉, TDS, pH Easy Calibration of pH and TDS with just a Mini-screwdriver Automatic Temperature Compensation (without this, pH reading will differ as the temperature varies) Large, Triple Level Display Cap...
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